<template>
  <div class="table">
    <div class="container">
      <div class="handle-box">
        <el-button type="primary" size="mini" @click="delAll">批量删除</el-button>
        <el-input size="mini" v-model="select_word" placeholder="请输入歌手名" class="handle-input"></el-input>
        <el-button type="primary" size="mini" @click="centerDialogVisiable=true">添加歌手</el-button>
      </div>
    </div>
    <el-table size="mini" border style="width: 100%" height="680px" :data="data" @selection-change="handleSelectChange">
      <el-table-column type="selection" width="40"></el-table-column>
      <el-table-column label="歌手图片" width="110" align="center">
        <template slot-scope="scope">
          <div class="singer-img">
            <img :src="getUrl(scope.row.pic)" style="width:100%"/>
          </div>
          <el-upload :action="uploadUrl(scope.row.id)" :before-upload="beforeAvatorUpload"
                     :on-success="handleAvatorSuccess">
            <el-button size="mini">更新图片</el-button>
          </el-upload>
        </template>
      </el-table-column>
      <el-table-column prop="name" label="歌手" width="120" align="center"></el-table-column>
      <el-table-column label="性别" align="center" width="50">
        <template slot-scope="scope">
          {{changeSex(scope.row.sex)}}
        </template>
      </el-table-column>
      <el-table-column label="生日" width="120" align="center">
        <template slot-scope="scope">
          {{attrachBirth(scope.row.birth)}}
        </template>
      </el-table-column>
      <el-table-column label="地区" prop="location" width="100" align="center"></el-table-column>
      <el-table-column label="简介" >
        <template slot-scope="scope">
          <p style="height: 100px;overflow: scroll">{{scope.row.introduction}}</p>
        </template>
      </el-table-column>
      <el-table-column label="歌曲管理" width="110" align="center">
        <template slot-scope="scope">
          <el-button size="mini" @click="songEdit(scope.row.id,scope.row.name)">歌曲管理</el-button>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" width="150">
        <template slot-scope="scope">
          <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
          <el-button size="mini" type="danger" @click="handleDelete(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <div class="pagination">
      <el-pagination
        background
        layout="total,prev,pager,next"
        :current-page="currentPage"
        :page-size="pageSize"
        :total="tableData.length"
        @current-change="handleCurrentChange"
      ></el-pagination>
    </div>
    <el-dialog title="添加歌手" :visible.sync="centerDialogVisiable" width="400px" center>
    <el-form :model="registerForm" ref="registerForm" label-width="80px">
      <el-form-item prop="name" label="歌手名" size="mini">
        <el-input v-model="registerForm.name" placeholder="歌手名"></el-input>
      </el-form-item>
      <el-form-item label="性别" size="mini">
        <el-radio-group v-model="registerForm.sex">
          <el-radio :label="0">女</el-radio>
          <el-radio :label="1">男</el-radio>
          <el-radio :label="2">组合</el-radio>
          <el-radio :label="3">不明</el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item prop="birth" label="生日" size="mini">
        <el-date-picker v-model="registerForm.birth" type="date" placeholder="请选择日期" style="width: 100%"></el-date-picker>
      </el-form-item>
      <el-form-item prop="location" label="地区" size="mini">
        <el-input v-model="registerForm.location" placeholder="请输入地区"></el-input>
      </el-form-item>
      <el-form-item prop="introduction" label="简介" size="mini">
        <el-input v-model="registerForm.introduction" type="textarea"></el-input>
      </el-form-item>
    </el-form>
    <span slot="footer">
        <el-button size="mini" @click="centerDialogVisiable=false">取消</el-button>
        <el-button size="mini" @click="addSinger">确定</el-button>
      </span>
  </el-dialog>
    <el-dialog title="修改歌手" :visible.sync="editVisiable" width="400px" center>
      <el-form :model="form" ref="form" label-width="80px">
        <el-form-item prop="name" label="歌手名" size="mini">
          <el-input v-model="form.name" placeholder="歌手名"></el-input>
        </el-form-item>
        <el-form-item label="性别" size="mini">
          <el-radio-group v-model="form.sex">
            <el-radio :label="0">女</el-radio>
            <el-radio :label="1">男</el-radio>
            <el-radio :label="2">组合</el-radio>
            <el-radio :label="3">不明</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="生日" size="mini">
          <el-date-picker v-model="form.birth" type="date" placeholder="请选择日期" style="width: 100%"></el-date-picker>
        </el-form-item>
        <el-form-item prop="location" label="地区" size="mini">
          <el-input v-model="form.location" placeholder="请输入地区"></el-input>
        </el-form-item>
        <el-form-item prop="introduction" label="简介" size="mini">
          <el-input v-model="form.introduction" type="textarea"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer">
        <el-button size="mini" @click="editVisiable=false">取消</el-button>
        <el-button size="mini" @click="editSave">确定</el-button>
      </span>
    </el-dialog>
    <el-dialog title="删除歌手" :visible.sync="delVisible" width="300px" center>
      <div align="center">删除不可恢复，是否确定删除？</div>
      <span slot="footer">
        <el-button size="mini" @click="delVisible=false">取消</el-button>
        <el-button size="mini" @click="deleteRow">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
  import {setSinger, getAllSinger, updateSinger, delSinger} from '../api'
  import {mixin} from '../mixins'
  export default {
    mixins: [mixin],
    data() {
      return {
        centerDialogVisiable: false,//添加弹窗是否显示
        editVisiable: false,        //编辑弹窗是否显示
        delVisible: false,        //删除弹窗是否显示
        registerForm: {//添加框
          name: '',
          sex: '',
          birth: '',
          location: '',
          introduction: ''
        },
        form: {
          id: '',
          name: '',
          sex: '',
          birth: '',
          location: '',
          introduction: ''
        },
        tableData: [],
        select_word: '',
        tempData: [],
        pageSize: 2,// 分页每页大小
        currentPage: 1, // 当前页
        idx: -1,             // 当前选择项
        multipleSelection: []  //哪些项已经打勾
      }
    },
    computed: {
      //计算当前搜素结果表里的数据
      data() {
        return this.tableData.slice((this.currentPage-1)*this.pageSize,this.currentPage*this.pageSize)
      }
    },
    watch: {
      //搜索框里面的内容发生变化的时候，搜索结果table列表内容跟着发生变化
      select_word: function () {
        if(this.select_word == ''){
          this.tableData = this.tempData
        }else {
          this.tableData = []
          for(let item of this.tempData){
            if(item.name.includes(this.select_word)){
              this.tableData.push(item)
            }
          }
        }
      }
    },
    created () {
      this.getData();
    },
    methods: {
      //设置分页
      handleCurrentChange(val){
        this.currentPage = val;
      },
      //添加歌手
      addSinger() {
        let d = this.registerForm.birth
        let datetime = d.getFullYear()+'-'+(d.getMonth()+1)+'-'+d.getDate();
        let params = new URLSearchParams();
        params.append('name',this.registerForm.name)
        params.append('sex',this.registerForm.sex)
        params.append('pic','/img/singerPic/hhh.jpg')
        params.append("birth",datetime)
        params.append('location',this.registerForm.location)
        params.append('introduction',this.registerForm.introduction)

        setSinger(params).then(res => {
          if(res.code == 1){
            this.getData()
            this.notify('添加成功','success')
          }else {
            this.notify('添加失败','error')
          }
        }).catch(error => {
          console.log(error)
        })
        this.centerDialogVisiable = false

      },
      //弹出编辑页面
      handleEdit(row){
        this.editVisiable = true
        this.form = {
          id: row.id,
          name: row.name,
          sex: row.sex,
          birth: row.birth,
          location: row.location,
          introduction: row.introduction
        }
      },
      //保存编辑页面修改的数据
      editSave(){
        let d = new Date(this.form.birth)
        let datetime = d.getFullYear()+'-'+(d.getMonth()+1)+'-'+d.getDate();
        let params = new URLSearchParams();
        params.append('id',this.form.id)
        params.append('name',this.form.name)
        params.append('sex',this.form.sex)
        //params.append('pic','/img/singerPic/hhh.jpg')
        params.append("birth",datetime)
        params.append('location',this.form.location)
        params.append('introduction',this.form.introduction)

        updateSinger(params).then(res => {
          if(res.code == 1){
            this.notify('修改成功','success')
          }else {
            this.notify('修改失败','error')
          }
        }).catch(error => {
          console.log(error)
        })
        this.editVisiable = false
      },
      //删除一名歌手
      deleteRow(){
        delSinger(this.idx).then(res => {
          if(res){
            this.getData()
            this.notify("删除成功","success")
          }else {
            this.notify("删除失败","error")
          }
        })
        this.delVisible = false
      },
      //歌曲管理：转向歌曲管理页面
      songEdit(id,name){
        this.$router.push({path:`/Song`,query:{id,name}})
      },
      //查询所有歌手
      getData(){
        this.tempData = []
        this.tableData = []
        getAllSinger().then(res => {
          this.tempData = res
          this.tableData = res
          this.currentPage = 1
        })
      },
      //更新图片
      uploadUrl(id){
        console.log(`${this.$store.state.HOST}/singer/updateSingerPic?id=${id}`)
        return `${this.$store.state.HOST}/singer/updateSingerPic?id=${id}`
      }
    }
  }
</script>
<style scoped>
  .handle-box {
    margin-bottom: 20px;
  }
  .singer-img{
    width: 100%;
    height: 80px;
    border-radius: 5px;
    margin-bottom: 5px;
    overflow: hidden;
  }
  .handle-input{
    width: 300px;
    display: inline-block;
  }
  .pagination {
    display: flex;
    justify-content: center;
  }
</style>
